#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	int arr1[]={1,2,3,4,5,6};
	int arr2[]={10,11,12,13,14,15};
	int sz =sizeof(arr1)/sizeof(arr2[0]);
	int i = 0;
	for(i=0;i<sz;i++)
	{
	  int c = arr1[i];
	  arr1[i]=arr2[i];
	  arr2[i]=c;
	}
 return 0;
}